Bar Code Standard| Uses|
Uniform Product Code (UPC)| Retail stores for sales checkout; inventory, etc.| Code 39
(Code 3 of 9)| Identification, inventory, and tracking shipments| POSTNET| Encoding zip codes on U.S. mail| European Article Number (EAN)| A superset of the UPC that allows extra digits for country identification| Japanese Article Number (JAN)| Similar to the EAN, used in Japan| Bookland| Based on ISBN numbers and used on book covers|

ISSN bar code| Based on ISSN numbers, used on periodicals outside the U.S.| Code 128| Used in preference to Code 39 because it is more compact| Interleaved 2 of 5| Used in the shipping and warehouse industries| Codabar| Used by Federal Express, in libraries, and blood banks| MICR (Magnetic Ink Character Recognition)| A special font used for the numbers on the bottom of bank checks| OCR-A| The optical character recognition format used on book covers for the human readable version of the ISBN number| OCR-B| Used for the human readable version of the UPC, EAN, JAN, Bookland, and ISSN bar codes and for optional human-readable digits with Code 39 and Interleaved 2 of 5 symbols| Maxicode| Used by the United Parcel Service|

PDF417| A new 2-D type of bar code that can encode up to 1108 bytes of information; can become a compressed, portable data file (which is what the "PDF" stands for)| Use of Barcodes in Supply Chain Management

Barcodes have influenced almost every aspect of Supply Chain Management. The use of barcodes makes business integration processes in supply chain management simpler and more efficient. Barcodes are an effective identification tool that helps track products and greatly reduce errors. Barcode technology has a range of advantages such as being affordable, easy to handle, and accurate. These advantages make barcodes widely used in supply chain management and accepted across the world. Cut Costs Incurred In Maintaining High Inventory Levels